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35 CVEs • 1 product

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Upx
upx

CVEs (35)

CVE
VENDORS
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CVSS
1Upx
1Upx
Apr 11, 2025
Aug 18, 2022
N/A· v4
5.5 MEDIUM· v3
N/A· v2
A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading...Show more
A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.Show less
1Upx
1Upx
Apr 11, 2025
Aug 18, 2022
N/A· v4
5.5 MEDIUM· v3
N/A· v2
A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
3Fedoraproject
RedhatUpx
3Enterprise Linux
FedoraUpx
Apr 11, 2025
May 27, 2021
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.
3Fedoraproject
RedhatUpx
3Enterprise Linux
FedoraUpx
Apr 11, 2025
May 27, 2021
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
2Fedoraproject
Upx
2Fedora
Upx
Apr 11, 2025
May 14, 2021
N/A· v4
7.1 HIGH· v3
5.8 MEDIUM· v2
A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.
1Upx
1Upx
Apr 11, 2025
Mar 26, 2021
N/A· v4
6.6 MEDIUM· v3
8.3 HIGH· v2
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafte...Show more
A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.Show less
1Upx
1Upx
Apr 11, 2025
Jun 1, 2020
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
p_lx_elf.cpp in UPX before 3.96 has an integer overflow during unpacking via crafted values in a PT_DYNAMIC segment.
2Opensuse
Upx
3Backports
LeapUpx
Apr 11, 2025
Dec 27, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
2Fedoraproject
Upx
2Fedora
Upx
Apr 11, 2025
Dec 27, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.
2Fedoraproject
Upx
2Fedora
Upx
Apr 11, 2025
Dec 27, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
1Upx
1Upx
Apr 11, 2025
Jul 27, 2019
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impact via a crafted UPX packed file.
1Upx
1Upx
Apr 11, 2025
Jul 27, 2019
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed execu...Show more
An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory.Show less
1Upx
1Upx
Apr 11, 2025
May 18, 2018
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspe...Show more
PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.Show less
1Upx
1Upx
May 13, 2026
Nov 17, 2017
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted Mach-O file, related to canPack and unpack...Show more
p_mach.cpp in UPX 3.94 allows remote attackers to cause a denial of service (invalid memory access and application crash) or possibly have unspecified other impact via a crafted Mach-O file, related to canPack and unpack functions. NOTE: the vendor has stated "there is no security implication whatsoever.Show less
1Upx
1Upx
May 13, 2026
Oct 6, 2017
N/A· v4
7.8 HIGH· v3
6.8 MEDIUM· v2
p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an I...Show more
p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().Show less